54698451129 has 135 divisors (see below), whose sum is σ = 96984241263. Its totient is φ = 29704250016.

The previous prime is 54698451127. The next prime is 54698451161. The reversal of 54698451129 is 92115489645.

The square root of 54698451129 is 233877.

It is a perfect power (a square), and thus also a powerful number.

54698451129 is a `hidden beast` number, since 5 + 4 + 69 + 8 + 451 + 129 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48944925225 + 5753525904 = 221235^2 + 75852^2 .

It is not a de Polignac number, because 54698451129 - 2¹ = 54698451127 is a prime.

Its product of digits (3110400) is a multiple of the sum of its prime divisors (90).

It is not an unprimeable number, because it can be changed into a prime (54698451127) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1272056982 + ... + 1272057024.

Almost surely, 2^54698451129 is an apocalyptic number.

54698451129 is the 233877-th square number.

54698451129 is the 116939-th centered octagonal number.

It is an amenable number.

54698451129 is a deficient number, since it is larger than the sum of its proper divisors (42285790134).

54698451129 is an frugal number, since it uses more digits than its factorization.

54698451129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 90 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 54698451129 in words is "fifty-four billion, six hundred ninety-eight million, four hundred fifty-one thousand, one hundred twenty-nine".